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Place the propeller on the screw Tighten a nut behind it Tighten another nut midway up the screw

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Using small pliers, remove the cap from the motor

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Place cylinder top on motor Make sure hole is directed at the flat side Place screw on wrench Screw into cylinder top

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Tighten screw into cylinder top Tighten nut onto cylinder top **When finished with propeller, use lock- tight glue to secure nuts and propeller. DO NOT use lock-tight glue if you plan to rebuild propellers with students.

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Use specialized pieces as propeller mounts!

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How will propeller placement effect speed/maneuverability? Where on the ROV? Close together? Far apart? In frame? Out of frame? Think about morning activity